change mlflow to use database instead of mlflow folder

docker-compose.yml

@@ -48,6 +48,7 @@ services:
       - POSTGRES_USER=${POSTGRES_USER}
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
       - POSTGRES_DB=${POSTGRES_DB}
+      - POSTGRES_HOST=postgres
     restart: unless-stopped
     depends_on:
       postgres:
@@ -69,8 +70,8 @@ services:
       - mlflow-data:/mlflow
     command: >
       mlflow server
-      --backend-store-uri /mlflow
-      --default-artifact-root /mlflow/artifacts
+        --backend-store-uri "postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/${POSTGRES_DB}"
+        --default-artifact-root ./mlruns/artifacts
         --host 0.0.0.0
         --port 5000
     restart: unless-stopped